Recently I have start working on Linux for various reasons office and personal. What I noted is that I always forget the basic commands. Here are few commands I think valuable to remember, Hope this will help someone else too..
Find the commands using commands
- apropos [keyword] – get all commands relate to a keyword
- man [command name] – description of the command
Basics
- pwd – What path you are in
- ls – list of files and folders
- ls -a – list of files and folder including hidden file/folders
- ls -l – show addition detils of folders and files ex : file permissions
- cd – move into a directory
- cd .. – move out of a directory
- mkdir – make directory
- cd / – move to a root directory
- cd ~ – go to home directory
- clear – clear terminal
File Open and Editing
- touch – create a file (touch file.txt)
- nano – command based text editor (if not installed apt-get install nano)
- save(nano) – Ctrl+O
- cat – shows inside a file (smaller files)
- less – show inside a file (large files)
- mv – move files (mv file.txt ./testdir/file2.txt
- cp – copy file content / files
- rmdir – remove directory
- rm -R dir – remove directoy with files
- which – search file or folder location
Other Commands
- history – last 500 commands (did not work on debian but works on alpine)
- apt-get update (update linux packages)
- sudo – run any command with administration privilages
- ifconfig – network details (ipconfig equilent) works only on alpine
- iwconfig – wireless details
- ping – ping another computer in network
- uname -a – Linux detalils ( cat /etc/issue for docker)
- blkid – hard drive details
- swap – running processes and memeory usage
- df – disk sapce
- lsusb – divices like usb details
- shutdown
- su – switch user
- lsblk – hard drive details
